Improve MathML for fractions (#1882)
Improve MathML for fractions (#1882)

* Improve MathML for fractions

* Fix lint errors

* Revise arguments

* Reverting to previous arguments

* Revise arguments

* Pick up comment

* Change > to >=

xymostech/KaTeX,Khan/KaTeX,Khan/KaTeX,xymostech/KaTeX,xymostech/KaTeX,xymostech/KaTeX,xymostech/KaTeX,Khan/KaTeX